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the moisture that the receiver separates from the system, is not collected, it's absorbed by a desiccant chemical in the receiver. you have to replace the desiccant, so you have to replace the receiver. the expansion valve is a mechanical device with a pressurized temp adjustment... it can fail, and it can wear out over time... like 25 years of service... I don't know about rust, but corrosion is possible from the acid that moisture from the flexible lines contaminating the refrigerant.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!
My drivers:
1987 190D 2.5Turbo
1987 560SL convertible
1987 190D 2.5-5SPEED!!!
1987 300TD
2005 Dodge Sprinter 2500 158"WB
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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